The US dollar and many other international currencies are named after the Joachimsthaler, which were printed by the counts Schlik of Sankt Joachimsthal/Jáchymov

The US dollar and many other international currencies are named after the Joachimsthaler, which were printed by the counts Schlik of Sankt Joachimsthal/Jáchymov, and became so important to have several currencies named after them. But there was no empire.